الْكَهْفِ · 6

فَلَعَلَّكَ بَٰخِعࣱ نَّفۡسَكَ عَلَىٰٓ ءَاثَٰرِهِمۡ إِن لَّمۡ يُؤۡمِنُواْ بِهَٰذَا ٱلۡحَدِيثِ أَسَفًا

Thou wouldst only, perchance, fret thyself to death, following after them, in grief, if they believe not in this Message